foederatus

noun

foe·​de·​ra·​tus

ˌfedəˈrātəs

plural foederati

-ātˌī

: an auxiliary soldier serving the Roman Empire

Word History

Etymology

Latin, from foederatus, adjective, allied, federated

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now